In a selection of fruits: Apple, Banana, Cherry, and Date, the following conditions apply: 1) Apple and Banana cannot be selected together. 2) Cherry must be selected if Date is selected. Which of the following selections is valid?
Four friends - Alex, Brian, Charlie, and David - have different favorite colors: Red, Blue, Green, and Yellow. Alex does not like Blue or Green. Brian's favorite color is not Red. Charlie likes Green. What is David's favorite color?
In a linear arrangement of six people A, B, C, D, E, and F, A is at one end, and B is sitting third to the right of A. C is sitting to the immediate left of B. If D is sitting at the other end, who is sitting between C and E?
In a family, there are four members: John, Mary, Sam, and Lisa. John is a father, Mary is a mother, Sam is a son, and Lisa is a daughter. Which of the following pairs can be classified as parents?